23434453 has 4 divisors (see below), whose sum is σ = 26782240. Its totient is φ = 20086668.

The previous prime is 23434423. The next prime is 23434487. The reversal of 23434453 is 35443432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23434453 - 2¹⁷ = 23303381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673883 + ... + 1673896.

It is an arithmetic number, because the mean of its divisors is an integer number (6695560).

Almost surely, 2^23434453 is an apocalyptic number.

It is an amenable number.

23434453 is a deficient number, since it is larger than the sum of its proper divisors (3347787).

23434453 is an equidigital number, since it uses as much as digits as its factorization.

23434453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347786.

The product of its digits is 17280, while the sum is 28.

The square root of 23434453 is about 4840.9144797238. The cubic root of 23434453 is about 286.1661585211.

Adding to 23434453 its reverse (35443432), we get a palindrome (58877885).

The spelling of 23434453 in words is "twenty-three million, four hundred thirty-four thousand, four hundred fifty-three".